Grapefruit Juice and Statins: Drug Interaction Guide

Quick answer: This combination requires caution. Grapefruit Juice and Statins can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Grapefruit Juice interacts with Statins

Grapefruit furanocoumarins irreversibly inhibit intestinal CYP3A4, increasing systemic exposure of simvastatin, lovastatin, and atorvastatin and raising myopathy risk.

What you should do

Avoid grapefruit with simvastatin and lovastatin. Limit to small amounts with atorvastatin, or switch to rosuvastatin or pravastatin which are unaffected.

Key facts

Severity

Moderate — caution required

Mechanism

Grapefruit furanocoumarins irreversibly inhibit intestinal CYP3A4, increasing systemic exposure of simvastatin, lovastat...

Action

Avoid grapefruit with simvastatin and lovastatin. Limit to small amounts with atorvastatin, or switch to rosuvastatin or...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Grapefruit Juice and Statins together?

With caution. Avoid grapefruit with simvastatin and lovastatin. Limit to small amounts with atorvastatin, or switch to rosuvastatin or pravastatin which are unaffected.

What is the severity of this interaction?

The interaction between Grapefruit Juice and Statins is classified as Moderate — caution required. Grapefruit furanocoumarins irreversibly inhibit intestinal CYP3A4, increasing systemic exposure of simvastatin, lovastatin, and atorvastatin and raising myopathy risk.

What should I do if I'm prescribed both?

Avoid grapefruit with simvastatin and lovastatin. Limit to small amounts with atorvastatin, or switch to rosuvastatin or pravastatin which are unaffected. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.